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Install
Before Replacing Parts
Parts list
Indicator
Symptoms Verified Refer To
Running the Diagnostics
Keyboard Assembly
Battery Pack
Backup Batteries
Safety
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IBM Mobile Systems
S37L-2095-00
WorkPad z50 Mobile Companion
(2608-1Ax)
Hardware Maintenance Manual
March 1999
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Contents
March
First Edition March
About This Manual
Contents
Vi IBM WorkPad z50, Mobile Companion
FRU Replacement Strategy
Important Service Information
Before Replacing Parts
Safety Notice
Safety Notices Multi-lingual Translations
Safety Notice
IBM WorkPad z50, Mobile Companion
Safety Notice
General Safety
Safety Information
Electrical Safety
Use caution do not become a victim yourself Switch off power
Safety Inspection Guide
Check for worn, frayed, or pinched cables
Grounding Requirements
Handling Electrostatic Discharge-Sensitive Devices
WorkPad z50 Mobile Companion 2608 Read This First
Plastic to Plastic
Screw Tightening Information
Logic card to Plastic
Torque Driver
Following is not covered under warranty
Page
Product Overview
Feature
Description
Checkout Guide
Symptoms Verified Refer To
Audio Checkout
Memory Checkout
Keyboard Checkout
Modem Checkout
Power Systems Checkout
Pin Voltage V dc
11.1 Ground
Terminal Voltage V dc
Optional Dry Cell Battery Checkout If the optional Dry
Backup Battery Checkout Nonrechargeable
Battery Calibration Application
ROM Card Checkout
Cradle Checkout
TrackPoint Checkout
External Monitor Self-Test
IBM WorkPad z50, Mobile Companion
ROM card
Installing the ROM/DRAM Card
Handling a Screwdriver
Removing the ROM/DRAM Card
Removing the Dram ROM Cards
Brightness/Contrast Buttons Checkout
Full Power Mode
Power Management Features
Suspend Mode
Symptom / Error
Symptom-to-FRU Index
FRU / Action in Sequence
LED board
Indicator-Related Symptoms
Function-Related Symptoms
Infrared-Related Symptoms
Symptom / Error FRU / Action in Sequence
Keyboard- or TrackPoint-Related Symptoms
Power-Related Symptoms
Peripheral Device Related Symptoms
Other Symptoms
Undetermined Problems
Intermittent Problems
PC Card Slot Test
Running the Diagnostics
Tool Name
Status Indicators and Control Buttons
Related Service Procedures
Indicator
Color
Key
Application Launching Key Assignments
Safety Notice 2 Translation on
Safety Notice 1 Translation on
Safety Notice 6 Translation on
Removing and Replacing Defective FRUs
Page
Screw Screw Type Head
Important Notice
Length
Unplugging and Plugging Flexible Cables
Removal reference
Backup Batteries
Step Size Quantity M2.5 Color Black Torque Kgcm Length
1020 ROM/DRAM Card
WorkPad z50 Mobile Companion
Battery Pack
Keyboard Assembly
Bottom Cover
WorkPad z50 Mobile Companion
Step Size Quantity M2.0 Color Torque Kgcm Length
Mainboard
LCD Bezel
LCD Unit
Inverter Card and LCD Panel
Step Size Quantity Color M2.5 Hex Torque Kgcm Length
FPC Assembly
Microphone
Speaker
Audio Ports
PC Card Slot Assembly
WorkPad z50 Mobile Companion
1160 RJ-11 Assembly
Hardware Button Board
Top Cover
Locations Front Right View
Right View
Left View
Bottom View
Rear View
System Unit Parts Listing
System Unit FRU List
LCD Unit Parts List
CRU
For 3-pin power cords
Power Cord
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